2424 K St : 1964
Thanks to Eichlerific for finding this one and the news clipping!
Sac Bee Sunday April 12, 1964 p. E11
"OFFICES - Architect Carter Sparks designed this building, recently completed at 2424 K Street for real estate broker Ron Watkins. The structure, with a total floor area of 5,600 square feet, will house the offices of several firms, including Watkins' own real estate agency. The structure was erected by F. Marsalla, general contractor. Watkins puts his total investment at about $130,000."